中文说明： [p_opt,fval]=dynprog(x,DecisFun,ObjFun,TransFun) % 自由始端和终端的动态规划,求指标函数最小值的逆序算法递归
English Description：
[p_opt,fval]=dynprog(x,DecisFun,ObjFun,TransFun) % Free beginning and terminal of dynamic programming, reverse algorithm for finding minimum indicators function recursion